<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>
  <body>
    <div id="app">
      <cpn></cpn>
      <cpn></cpn>
      <cpn></cpn>
      <cpn></cpn>
    </div>

    <!-- 1.script标签，注意：类型必须是text/x-template -->
    <!-- <script type="text/x-template" id="cpn">
      <div>
          <h2>我是标题1</h2>
           <h2>我是内容</h2>
       </div>
    </script> -->

    <!-- 2.template标签 -->
    <template id="cpn">
      <div>
        <h2>我是标题1</h2>
        <h2>我是内容</h2>
      </div>
    </template>

    <script src="../js/vue.js"></script>

    <script>
      //2.注册一个全局组件
      Vue.component("cpn", {
        template: "#cpn",
      });

      const app = new Vue({
        el: "#app",
        data: {
          message: "你好",
        },
      });
    </script>
  </body>
</html>
